CVE-2026-108636 [MEDIUM] – JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysDepartCon

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysDepartController appImportExcel handler that allows any authenticated user to import departments. Low-privileged attackers can upload a crafted Excel workbook to POST /sys/sysDepart/appImportExcel to create arbitrary sys_depart records in the administrator-maintained department tree.